Composite magnetic sealing material

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United States of America Patent

PATENT NO 9818518
SERIAL NO

15351701

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Disclosed herein is a composite magnetic sealing material includes a resin material and a filler blended in the resin material in a blended ratio of 30 vol. % or more to 85 vol. % or less. The filler includes a magnetic filler containing Fe and 32 wt. % or more and 39 wt. % or less of a metal material contained mainly of Ni, thereby a thermal expansion coefficient of the composite magnetic sealing material is 15 ppm/° C. or less.

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Patent Owner(s)

  • TDK CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kawabata, Kenichi Tokyo, JP 136 2117

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